Automobile driver attention indicator

• US 3,227,998 A
• Filed: 05/07/1962
• Issued: 01/04/1966
• Est. Priority Date: 05/07/1962
• Status: Expired due to Term

• Current Assignee: Fletcher N. Platt
• Original Assignee: Fletcher N. Platt
• Inventors: Platt, Fletcher N.
• Application Number:
  US04/192,657
• Time in Patent Office: 1,338 Days
• US Class Current: 340/576
• CPC Class Codes: A61B 5/18 for vehicle drivers or machine operators
• CPC Class Codes: B60K 28/06 responsive to incapacity of driver
• CPC Class Codes: B60K 28/066 actuating a signalling device B60K28/063 takes precedence
• CPC Class Codes: B60W 2540/18 Steering angle
• CPC Class Codes: G08B 21/06 indicating a condition of sleep, e.g. anti-dozing alarms
• CPC Class Codes: G08B 7/06 using electric transmission , e.g. involving audible and visible signalling through the use of sound and light sources

Claims

1. IN AN AUTOMOTIVE VEHICLE HAVING A STEERING WHEEL, THE COMBINATION COMPRISING:

A FIRST MEANS FOR DETERMING THE RATE OF STEERING WHEEL REVERSALS AND A WARNING MEANS FOR MANIFESTING A SIGNAL PRECEPTIBLE TO THE ORDINARY HUMAN SENSES WHEN THE SAID RATE OF STEERING WHEEL REVERSALS EXCEEDS A FIRST PREDETERMINED VALUE OR BECOMES LESS THAN A SECOND SMALLER PREDETERMINED VALUE, WHICH PREDETERMINED